Home / 25,613.11-38,423.49-8,082.67

Finding the Fourth Proportional to 25,613.11, 38,423.49 and 8,082.67

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Solution

The fourth proportional to 25,613.11, 38,423.49 and 8,082.67 is: 12,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.11 : 38,423.49 = 8,082.67 : x
  2. Step 2: Convert to fraction form
    25,613.11/38,423.49 = 8,082.67/x
  3. Step 3: Cross multiply
    25,613.11x = 38,423.49 × 8,082.67
  4. Step 4: Simplify right side
    25,613.11x = 310,564,389.92
  5. Step 5: Solve for x
    x = 310,564,389.92/25,613.11
  6. Step 6: Final answer
    x = 12,125.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.